Looking over this list, I realize it's time to thin the herd a bit...
Movies
10 Things I Hate About You
2001: A Space Odyssey
2010: The Year We Make Contact
9 to 5
About a Boy
The Addams Family
Addams Family Values
The Adventures of Buckaroo Banzai Across the Eighth Dimension
Airplane!
Akira
All the President's Men
Amadeus (director's cut)
Amélie
American Pie (unrated)
American Pie 2 (unrated)
The American President
American Wedding (unrated)
America's Sweethearts
Anchorman: The Legend of Ron Burgundy (unrated)
Anchorman: Wake-Up Ron Burgundy
Annie
Apocalypse Now Redux
Apollo 13
Austin Powers in Goldmember
Austin Powers: International Man of Mystery
Austin Powers: The Spy Who Shagged Me
Batman (1966)
Batman Begins
Beavis and Butt-head Do America
Beetlejuice
Big Fish
Blazing Saddles
The Blues Brothers (director's cut)
Boogie Nights
The Breakfast Club
Bride and Prejudice
Bridget Jones' Diary
A Bug's Life
Bulworth
Cane Toads: An Unnatural History
Cars
Catch Me If You Can
The Cat's Meow
Charlie and the Chocolate Factory
The Chase
A Christmas Story
Citizen Kane
Closer
Corpse Bride
The Day the Earth Stood Still
Desk Set
Dick Tracy (1990)
Down with Love
Dr. Strangelove, or: How I Learned to Stop Worrying and Love the Bomb
E.T. the Extra-Terrestrial (2-disc set with theatrical and "anniversary" versions)
Ed Wood
Eddie Izzard: Glorious
Elf
Emma (1996; the Gwenyth Paltrow version)
The Emperor's New Groove
Enron: The Smartest Guys In the Room
Fantasia
Fantasia 2000
The Fantasia Legacy (bonus disc from box set)
A Few Good Men
Field of Dreams
Finding Nemo
A Fish Called Wanda
Flight of the Navigator
The Fog of War
(Sesame Street presents) Follow That Bird
Four Weddings and a Funeral
The Fugitive
Galaxy Quest
Gettysburg
Ghostbusters
Ghostbusters 2
Glengarry Glen Ross
The Godfather
The Godfather, Part II
The Godfather, Part III
Godfather bonus materials (part of box set)
Good Night and Good Luck.
The Great Muppet Caper
Hardware Wars
Harold and Kumar Go to White Castle (unrated)
Harold and Maude
Harry Potter and the Sorcerer's Stone
Harry Potter and the Chamber of Secrets
Harry Potter and the Prisoner of Azkaban
Harry Potter and the Goblet of Fire
Harry Potter and the Order of the Phoenix
HeartBreakers
Heat
Hellboy
Henry V (1989)
The Hitchhiker's Guide to the Galaxy (2005)
Home for the Holidays
Hook
The Hunt for Red October
The Ice Storm
In America
The Incredibles
It's a Mad, Mad, Mad, Mad World
Journey to the Center of the Earth
Jurassic Park
The Karate Kid
Kiss of the Dragon
Last of the Mohicans (1992)
Léon: The Professional (uncut)
The Long Goodbye
The Lord of the Rings: The Fellowship of the Ring (extended edition)
The Lord of the Rings: The Two Towers (extended edition)
The Lord of the Rings: The Return of the King (extended edition)
Lost in Translation
The Lost World: Jurassic Park
Love Actually
M*A*S*H (1970)
Magnolia
Mars Attacks!
Master and Commander: The Far Side of the World
Matchstick Men
McLintock!
Meet the Parents
Men in Black
The Mission
Mission: Impossible
Mission: Impossible 2
Monsters, Inc.
Monty Python's And Now For Something Completely Different
Monty Python and the Holy Grail
Monty Python's Life of Brian (Criterion)
Monty Python's The Meaning of Life
Moulin Rouge
Much Ado About Nothing (1993)
The Muppet Movie
The Muppets Take Manhattan
The Music Man (1962)
My Fair Lady
Mystery Men
The Name of the Rose
Network
The NeverEnding Story
The Nightmare Before Christmas
Notting Hill
Ocean's Eleven (2001)
Old School (unrated)
Patton
Peter Pan (2003)
A Prairie Home Companion
Pulp Fiction
The Quiet American (2002)
The Quiet Man
R2-D2: Beneath the Dome
Ratatouille
Road to Perdition
Robin Hood (1973)
The Rocketeer
The Royal Tenenbaums (Criterion)
Sabrina (1995)
Saved!
Saving Private Ryan
Scent of a Woman
Schindler's List
Secretary
Serenity
Shattered Glass
Shrek
Shrek 2
Sister Act
Six Strong Guys
Sleepless in Seattle
Sneakers
Spider-Man
Spider-Man 2
Star Trek: The Motion Picture (director's cut)
Star Trek II: The Wrath of Khan (director's cut)
Star Trek III: The Search for Spock (2-disc)
Star Trek IV: The Voyage Home (2-disc)
Star Trek V: The Final Frontier (2-disc)
Star Trek VI: The Undiscovered Country (2-disc)
Star Trek Generations (2-disc)
Star Trek: First Contact (2-disc)
Star Trek: Insurrection (2-disc)
Star Trek: Nemesis (2-disc)
State and Main
Superman: The Movie
Superman II
Teenage Mutant Ninja Turtles (1990)
Terminator 2: Judgment Day
Thirteen Days
This Is Spinal Tap
Titus
Touch of Evil
Toy Story
Toy Story 2
Training Day
Transformers (2007)
Two Weeks Notice
Waking Ned Devine
When Harry Met Sally...
White Christmas
Who Framed Roger Rabbit
Who's Afraid of Virginia Woolf?
Willy Wonka and the Chocolate Factory
X-Men
X2: X-Men United
X-Men: The Last Stand
Yellow Submarine
You've Got Mail
TV series, mini-series, TV-movies & specials
Angels In America
Anne of Green Gables (1985)
Anne of Green Gables: The Sequel (1987)
Casino Royale (1954)
A Charlie Brown Christmas
A Christmas Carol (1984)
Christmas Eve on Sesame Street
The Critic — complete series
Firefly — complete series
The Gathering Storm
Greg the Bunny — complete series
How the Grinch Stole Christmas! (1966)
Knight Rider — Season 1
Knight Rider — Season 2
Knight Rider — Season 3
Knight Rider — Season 4
The Last Days of Patton
The Lone Ranger (four episodes; picked it up in the bargain bin at Target)
M*A*S*H — Season 1
Merlin
The Muppet Show — Season 1
NYPD Blue — Season 1
NYPD Blue — Season 2
NYPD Blue — Season 3
NYPD Blue — Season 4
Path to War
Pride and Prejudice (1995)
Schoolhouse Rock!
Sesame Street: Old School, Vol. 1
Sesame Street: Old School, Vol. 2
Warm Springs
"not quite legitimate" DVDs
Power Rangers: Ninja Storm — complete series
Power Rangers: Dino Thunder — complete series
Power Rangers: S.P.D. — complete series
Movies
10 Things I Hate About You
2001: A Space Odyssey
2010: The Year We Make Contact
9 to 5
About a Boy
The Addams Family
Addams Family Values
The Adventures of Buckaroo Banzai Across the Eighth Dimension
Airplane!
Akira
All the President's Men
Amadeus (director's cut)
Amélie
American Pie (unrated)
American Pie 2 (unrated)
The American President
American Wedding (unrated)
America's Sweethearts
Anchorman: The Legend of Ron Burgundy (unrated)
Anchorman: Wake-Up Ron Burgundy
Annie
Apocalypse Now Redux
Apollo 13
Austin Powers in Goldmember
Austin Powers: International Man of Mystery
Austin Powers: The Spy Who Shagged Me
Batman (1966)
Batman Begins
Beavis and Butt-head Do America
Beetlejuice
Big Fish
Blazing Saddles
The Blues Brothers (director's cut)
Boogie Nights
The Breakfast Club
Bride and Prejudice
Bridget Jones' Diary
A Bug's Life
Bulworth
Cane Toads: An Unnatural History
Cars
Catch Me If You Can
The Cat's Meow
Charlie and the Chocolate Factory
The Chase
A Christmas Story
Citizen Kane
Closer
Corpse Bride
The Day the Earth Stood Still
Desk Set
Dick Tracy (1990)
Down with Love
Dr. Strangelove, or: How I Learned to Stop Worrying and Love the Bomb
E.T. the Extra-Terrestrial (2-disc set with theatrical and "anniversary" versions)
Ed Wood
Eddie Izzard: Glorious
Elf
Emma (1996; the Gwenyth Paltrow version)
The Emperor's New Groove
Enron: The Smartest Guys In the Room
Fantasia
Fantasia 2000
The Fantasia Legacy (bonus disc from box set)
A Few Good Men
Field of Dreams
Finding Nemo
A Fish Called Wanda
Flight of the Navigator
The Fog of War
(Sesame Street presents) Follow That Bird
Four Weddings and a Funeral
The Fugitive
Galaxy Quest
Gettysburg
Ghostbusters
Ghostbusters 2
Glengarry Glen Ross
The Godfather
The Godfather, Part II
The Godfather, Part III
Godfather bonus materials (part of box set)
Good Night and Good Luck.
The Great Muppet Caper
Hardware Wars
Harold and Kumar Go to White Castle (unrated)
Harold and Maude
Harry Potter and the Sorcerer's Stone
Harry Potter and the Chamber of Secrets
Harry Potter and the Prisoner of Azkaban
Harry Potter and the Goblet of Fire
Harry Potter and the Order of the Phoenix
HeartBreakers
Heat
Hellboy
Henry V (1989)
The Hitchhiker's Guide to the Galaxy (2005)
Home for the Holidays
Hook
The Hunt for Red October
The Ice Storm
In America
The Incredibles
It's a Mad, Mad, Mad, Mad World
Journey to the Center of the Earth
Jurassic Park
The Karate Kid
Kiss of the Dragon
Last of the Mohicans (1992)
Léon: The Professional (uncut)
The Long Goodbye
The Lord of the Rings: The Fellowship of the Ring (extended edition)
The Lord of the Rings: The Two Towers (extended edition)
The Lord of the Rings: The Return of the King (extended edition)
Lost in Translation
The Lost World: Jurassic Park
Love Actually
M*A*S*H (1970)
Magnolia
Mars Attacks!
Master and Commander: The Far Side of the World
Matchstick Men
McLintock!
Meet the Parents
Men in Black
The Mission
Mission: Impossible
Mission: Impossible 2
Monsters, Inc.
Monty Python's And Now For Something Completely Different
Monty Python and the Holy Grail
Monty Python's Life of Brian (Criterion)
Monty Python's The Meaning of Life
Moulin Rouge
Much Ado About Nothing (1993)
The Muppet Movie
The Muppets Take Manhattan
The Music Man (1962)
My Fair Lady
Mystery Men
The Name of the Rose
Network
The NeverEnding Story
The Nightmare Before Christmas
Notting Hill
Ocean's Eleven (2001)
Old School (unrated)
Patton
Peter Pan (2003)
A Prairie Home Companion
Pulp Fiction
The Quiet American (2002)
The Quiet Man
R2-D2: Beneath the Dome
Ratatouille
Road to Perdition
Robin Hood (1973)
The Rocketeer
The Royal Tenenbaums (Criterion)
Sabrina (1995)
Saved!
Saving Private Ryan
Scent of a Woman
Schindler's List
Secretary
Serenity
Shattered Glass
Shrek
Shrek 2
Sister Act
Six Strong Guys
Sleepless in Seattle
Sneakers
Spider-Man
Spider-Man 2
Star Trek: The Motion Picture (director's cut)
Star Trek II: The Wrath of Khan (director's cut)
Star Trek III: The Search for Spock (2-disc)
Star Trek IV: The Voyage Home (2-disc)
Star Trek V: The Final Frontier (2-disc)
Star Trek VI: The Undiscovered Country (2-disc)
Star Trek Generations (2-disc)
Star Trek: First Contact (2-disc)
Star Trek: Insurrection (2-disc)
Star Trek: Nemesis (2-disc)
State and Main
Superman: The Movie
Superman II
Teenage Mutant Ninja Turtles (1990)
Terminator 2: Judgment Day
Thirteen Days
This Is Spinal Tap
Titus
Touch of Evil
Toy Story
Toy Story 2
Training Day
Transformers (2007)
Two Weeks Notice
Waking Ned Devine
When Harry Met Sally...
White Christmas
Who Framed Roger Rabbit
Who's Afraid of Virginia Woolf?
Willy Wonka and the Chocolate Factory
X-Men
X2: X-Men United
X-Men: The Last Stand
Yellow Submarine
You've Got Mail
TV series, mini-series, TV-movies & specials
Angels In America
Anne of Green Gables (1985)
Anne of Green Gables: The Sequel (1987)
Casino Royale (1954)
A Charlie Brown Christmas
A Christmas Carol (1984)
Christmas Eve on Sesame Street
The Critic — complete series
Firefly — complete series
The Gathering Storm
Greg the Bunny — complete series
How the Grinch Stole Christmas! (1966)
Knight Rider — Season 1
Knight Rider — Season 2
Knight Rider — Season 3
Knight Rider — Season 4
The Last Days of Patton
The Lone Ranger (four episodes; picked it up in the bargain bin at Target)
M*A*S*H — Season 1
Merlin
The Muppet Show — Season 1
NYPD Blue — Season 1
NYPD Blue — Season 2
NYPD Blue — Season 3
NYPD Blue — Season 4
Path to War
Pride and Prejudice (1995)
Schoolhouse Rock!
Sesame Street: Old School, Vol. 1
Sesame Street: Old School, Vol. 2
Warm Springs
"not quite legitimate" DVDs
Power Rangers: Ninja Storm — complete series
Power Rangers: Dino Thunder — complete series
Power Rangers: S.P.D. — complete series